MESON Chess Problem Database
Problem Display
PID: 89791 (2K2k1r/6Rb/3N4/7R/8/2B5/8/8 w - - 0 1)
Erdenbrecher, Hans Michael
Die Schwalbe, 1960
#2
5 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bf5+
- 2.Rxf5#
- 1...Bg6
- 2.Rxh8#
- 1...Rg8
- Tries
- 1.Kc7?
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bf5
- 2.Rxf5#
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Bg8!
- 1...Rg8
- 1.Kd7?
- 1...Bf5+
- 2.Rxf5#
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Bg8!
- 1...Bf5+
- 1.Kb8?
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bf5
- 2.Rxf5#
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Bg8!
- 1...Rg8
- 1.Kd8?
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bf5
- 2.Rxf5#
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Bg8!
- 1...Rg8
- 1.Ba1?
- 1...Bf5+
- 2.Rxf5#
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Bg8!
- 1...Bf5+
- 1.Bb2?
- 1...Bf5+
- 2.Rxf5#
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Bg8!
- 1...Bf5+
- 1.Bd4?
- 1...Bf5+
- 2.Rxf5#
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Bg8!
- 1...Bf5+
- 1.Be5?
- 1...Bf5+
- 2.Rxf5#
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Bg8!
- 1...Bf5+
- 1.Rhxh7?
- threat
- 2.Rxh8#
- 1...Rg8
- 2.Rf7#
- 1...Rxh7!
- threat
- 1.Rgxh7?
- 1...Kg8
- 2.Rxh8#
- 1...Rg8
- 2.Rf5#
- 2.Rf7#
- 1...Rxh7!
- 1...Kg8
- 1.Kc7?
- Keys
- 1.Rd7!
- 1...Kg8
- 2.Rd8#
- 1...Bg8
- 2.Bg7#
- 1...Rg8
- 2.Rf7#
- 1...Bb1
- 2.Rxh8#
- 1...Bc2
- 2.Rxh8#
- 1...Bd3
- 2.Rxh8#
- 1...Be4
- 2.Rxh8#
- 1...Bf5
- 2.Rxh8#
- 1...Bg6
- 2.Rxh8#
- 1...Kg8
- 1.Rd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- B(a);CHECK,N_GUARD::R(B),XB(a)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- Refutation
- B(a);
- Try
- K(E);S_FLIGHT
- Vars
- B(a);CHECK,N_GUARD::R(B),XB(a)
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- Refutation
- B(a);
- Try
- K(E);P-FLIGHT
- Vars
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- Refutation
- B(a);
- Try
- K(E);P-FLIGHT
- Vars
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- Refutation
- B(a);
- Try
- B(A);
- Vars
- B(a);CHECK,N_GUARD::R(B),XB(a)
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- Refutation
- B(a);
- Try
- B(A);
- Vars
- B(a);CHECK,N_GUARD::R(B),XB(a)
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- Refutation
- B(a);
- Try
- B(A);
- Vars
- B(a);CHECK,N_GUARD::R(B),XB(a)
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- Refutation
- B(a);
- Try
- B(A);
- Vars
- B(a);CHECK,N_GUARD::R(B),XB(a)
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- Refutation
- B(a);
- Try
- R(B);XB(a)
- Threat
- R(B),XR(c)
- Vars
- R(c);SBLOCK::R1(D)
- Refutation
- R(c);XR(B)
- Try
- R(D);XB(a)
- Vars
- K(b);P-FLIGHT::R1(D),XR(c)
- Refutation
- R(c);XR(D)
- Try
- Actual
- R(D);
- Vars
- K(b);P-FLIGHT::R(D)
- B(a);SBLOCK::B(A)
- R(c);SBLOCK::R1(D)
- B(a);OGATE::R(B),XR(c)
- B(a);OGATE,P_PINR(D)::R(B),XR(c)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).